p.pr. & ·vb.n. of lace.
2. lacing ·noun the act of securing, fastening, or tightening, with a lace or laces.
3. lacing ·noun a lace; specifically (mach.), a thong of thin leather for uniting the ends of belts.
4. lacing ·noun a system of bracing bars, not crossing each other in the middle, connecting the channel bars of a compound strut.
5. lacing ·noun a rope or line passing through eyelet holes in the edge of a sail or an awning to attach it to a yard, gaff, ·etc.